+++ /dev/null
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.xwt;
-
-import java.io.*;
-import java.net.*;
-import java.text.*;
-import java.util.*;
-import org.xwt.js.*;
-import org.xwt.util.*;
-import org.xwt.translators.*;
-import org.bouncycastle.util.encoders.Base64;
-
-/** Singleton class that provides all functionality in the xwt.* namespace */
-public final class XWT extends JS.Cloneable {
-
- // FIXME remove this
- private final JS rr;
- public XWT(Stream rr) { this.rr = bless(rr); }
-
- public JS resolveString(String str, boolean permitAbsolute) throws JSExn {
- if (str.indexOf("://") != -1) {
- if (permitAbsolute) return (Stream)url2res(str);
- throw new JSExn("absolute URL " + str + " not permitted here");
- }
- // root-relative
- //JS ret = (JS)getAndTriggerTraps("");
- //FIXME
- JS ret = rr;
- while(str.indexOf('.') != -1) {
- String path = str.substring(0, str.indexOf('.'));
- str = str.substring(str.indexOf('.') + 1);
- ret = (JS)ret.get(path);
- }
- ret = (JS)ret.get(str);
- return ret;
- }
-
- /** lets us put multi-level get/put/call keys all in the same method */
- private class Sub extends JS {
- String key;
- Sub(String key) { this.key = key; }
- public void put(Object key, Object val) throws JSExn { XWT.this.put(this.key + "." + key, val); }
- public Object get(Object key) throws JSExn { return XWT.this.get(this.key + "." + key); }
- public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
- return XWT.this.callMethod(this.key, a0, a1, a2, rest, nargs);
- }
- public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
- return XWT.this.callMethod(this.key + "." + method, a0, a1, a2, rest, nargs);
- }
- }
- private Cache subCache = new Cache(20);
- private Sub getSub(String s) {
- Sub ret = (Sub)subCache.get(s);
- if (ret == null) subCache.put(s, ret = new Sub(s));
- return ret;
- }
-
- public Object get(Object name) throws JSExn {
- if (name instanceof String && ((String)name).length() == 0) return rr;
- //#switch(name)
- case "math": return xwtMath;
- case "string": return xwtString;
- case "date": return METHOD;
- case "box": return new Box();
- case "clone": return METHOD;
- case "bless": return METHOD;
- case "regexp": return METHOD;
- case "ui": return getSub("ui");
- case "ui.font": return getSub("ui.font");
- case "ui.font.sansserif": return Main.builtin.get("fonts/vera/Vera.ttf");
- case "ui.font.monospace": return Main.builtin.get("fonts/vera/VeraMono.ttf");
- case "ui.font.serif": return Main.builtin.get("fonts/vera/VeraSe.ttf");
- case "ui.browser": return METHOD;
- case "ui.mouse": return getSub("ui.mouse");
- case "ui.mouse.button":
- if (Surface.button1 && !Surface.button2 && !Surface.button3) return N(1);
- else if (!Surface.button1 && Surface.button2 && !Surface.button3) return N(2);
- else if (!Surface.button1 && !Surface.button2 && Surface.button3) return N(3);
- else return ZERO;
- case "ui.key": return getSub("ui.key");
- case "ui.key.name": return getSub("ui.key.name");
- case "ui.key.name.alt": return Platform.altKeyName();
- case "ui.key.alt": return Surface.alt ? T : F;
- case "ui.key.control": return Surface.control ? T : F;
- case "ui.key.shift": return Surface.shift ? T : F;
- case "ui.clipboard": return Platform.getClipBoard();
- case "ui.maxdim": return N(Short.MAX_VALUE);
- case "ui.screen": return getSub("ui.screen");
- case "ui.screen.width": return N(Platform.getScreenWidth());
- case "ui.screen.height": return N(Platform.getScreenHeight());
- case "undocumented": return getSub("undocumented");
- case "undocumented.initialOrigin": return Main.origin;
- case "undocumented.initialTemplate": return Main.initialTemplate;
- case "thread": return getSub("thread");
- case "thread.yield": return METHOD;
- case "thread.sleep": return METHOD;
- case "stream": return getSub("stream");
- case "stream.homedir": return url2res("file:" + System.getProperty("user.home"));
- case "stream.tempdir": return url2res("file:" + System.getProperty("java.io.tempdir"));
- case "stream.watch": return METHOD;
- case "stream.unzip": return METHOD;
- case "stream.uncab": return METHOD;
- case "stream.cache": return METHOD;
- case "stream.url": return METHOD;
- case "stream.parse.html": return METHOD;
- case "stream.parse.xml": return METHOD;
- case "stream.parse.utf8": return METHOD;
- case "net": return getSub("net");
- case "net.rpc": return getSub("net.rpc");
- case "net.rpc.xml": return METHOD;
- case "net.rpc.soap": return METHOD;
- case "log": return getSub("log");
- case "log.debug": return METHOD;
- case "log.info": return METHOD;
- case "log.warn": return METHOD;
- case "log.error": return METHOD;
- case "crypto": return getSub("crypto");
- case "crypto.rsa": return METHOD;
- case "crypto.md5": return METHOD;
- case "crypto.sha1": return METHOD;
- case "crypto.rc4": return METHOD;
- //#end
- return super.get(name);
- }
-
- public void put(Object name, final Object value) throws JSExn {
- //#switch(name)
- case "thread": Scheduler.add((Scheduler.Task)value); return;
- case "ui.clipboard": Platform.setClipBoard((String)value); return;
- case "ui.frame": Platform.createSurface((Box)value, true, true); return;
- case "ui.window": Platform.createSurface((Box)value, false, true); return;
- case "undocumented.proxyAuthorization":
- HTTP.Proxy.Authorization.authorization = value.toString();
- HTTP.Proxy.Authorization.waitingForUser.release();
- return;
- //#end
- throw new JSExn("attempted to put unknown property: xwt."+name);
- }
-
- public Object callMethod(Object name, Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
- try {
- //#switch(name)
- case "date": return new JSDate(a, b, c, rest, nargs);
- case "net.rpc.soap": return new SOAP((String)a, "", (String)b, (String)c);
- // FIXME support object dumping
- case "log.debug": JS.debug(a== null ? "**null**" : a.toString()); return null;
- case "log.info": JS.info(a== null ? "**null**" : a.toString()); return null;
- case "log.warn": JS.warn(a== null ? "**null**" : a.toString()); return null;
- case "log.error": JS.error(a== null ? "**null**" : a.toString()); return null;
- //#end
-
- switch (nargs) {
- case 0:
- //#switch(name)
- case "thread.yield": sleep(0); return null;
- //#end
- break;
- case 1:
- //#switch(name)
- case "clone":
- if (!(a instanceof JS.Cloneable)) throw new JSExn("cannot clone a " + a.getClass().getName());
- return ((JS.Cloneable)a).jsclone();
- case "bless": return bless((JS)a);
- case "ui.browser": Platform.newBrowserWindow((String)a); return null;
- case "stream.unzip": return new Stream.Zip((Stream)a);
- case "stream.uncab": return new Stream.Cab((Stream)a);
- case "stream.cache":
- try { return new Stream.CachedStream((Stream)a, "resources", true); }
- catch (Stream.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
- case "stream.url": {
- String url = (String)a;
- if (url.startsWith("http://")) return new Stream.HTTP(url);
- else if (url.startsWith("https://")) return new Stream.HTTP(url);
- else if (url.startsWith("data:")) return new Stream.ByteArray(Base64.decode(url.substring(5)), null);
- else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
- throw new JSExn("invalid resource specifier " + url);
- }
- case "thread.sleep": sleep(JS.toInt(a)); return null;
- case "regexp": return new JSRegexp(a, null);
- case "net.rpc.xml": return new XMLRPC((String)a, "");
- case "crypto.rsa": /* FEATURE */ return null;
- case "crypto.md5": /* FEATURE */ return null;
- case "crypto.sha1": /* FEATURE */ return null;
- case "crypto.rc4": /* FEATURE */ return null;
- case "stream.parse.html": throw new JSExn("not implemented yet"); //return null;
- case "stream.parse.xml": new XMLHelper((JS)b).doParse((JS)a); return null;
- // FIXME backgrounding
- case "stream.parse.utf8": try { return new String(InputStreamToByteArray.convert(Stream.getInputStream(a))); }
- catch (Exception e) { Log.warn(this, e); }
- //#end
- break;
- case 2:
- //#switch(name)
- case "stream.watch": return new Stream.ProgressWatcher((Stream)a, (JS)b);
- case "regexp": return new JSRegexp(a, b);
- //#end
- break;
- }
- } catch (RuntimeException e) {
- // FIXME: maybe JSExn should take a second argument, Exception
- Log.warn(this, "xwt."+name+"() threw: " + e);
- throw new JSExn("invalid argument for xwt object method "+name+"()");
- }
-
- throw new JSExn("invalid number of arguments for xwt object method "+name+"()");
- }
-
- public Stream url2res(String url) throws JSExn {
- if (url.startsWith("http://")) return new Stream.HTTP(url);
- else if (url.startsWith("https://")) return new Stream.HTTP(url);
- else if (url.startsWith("data:")) return new Stream.ByteArray(Base64.decode(url.substring(5)), null);
- else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
- else throw new JSExn("invalid resource specifier " + url);
- // FIXME support file:// via dialog boxes
- }
-
- public static void sleep(final int i) throws JSExn {
- try {
- final JS.UnpauseCallback callback = JS.pause();
- final long currentTime = System.currentTimeMillis();
- // FEATURE use a single sleeper thread
- new Thread() { public void run() {
- try { Thread.sleep(i); } catch (InterruptedException e) { }
- Scheduler.add(callback);
- } }.start();
- } catch (JS.NotPauseableException npe) {
- throw new JSExn("you cannot sleep or yield in the foreground thread");
- }
- }
-
- public static final JSMath xwtMath = new JSMath() {
- private JS gs = new JSScope.Global();
- public Object get(Object key) throws JSExn {
- //#switch(key)
- case "isNaN": return gs.get("isNaN");
- case "isFinite": return gs.get("isFinite");
- case "NaN": return gs.get("NaN");
- case "Infinity": return gs.get("Infinity");
- //#end
- return super.get(key);
- }
- };
-
- public static final JS xwtString = new JS() {
- private JS gs = new JSScope.Global();
- public void put(Object key, Object val) { }
- public Object get(Object key) throws JSExn {
- //#switch(key)
- case "parseInt": return gs.get("parseInt");
- case "parseFloat": return gs.get("parseFloat");
- case "decodeURI": return gs.get("decodeURI");
- case "decodeURIComponent": return gs.get("decodeURIComponent");
- case "encodeURI": return gs.get("encodeURI");
- case "encodeURIComponent": return gs.get("encodeURIComponent");
- case "escape": return gs.get("escape");
- case "unescape": return gs.get("unescape");
- case "fromCharCode": return gs.get("stringFromCharCode");
- //#end
- return null;
- }
- };
-
- private class XMLHelper extends XML {
- private class Wrapper extends XML.Exn { public JSExn wrapee; public Wrapper(JSExn jse) { super(""); wrapee = jse; } }
- private JS characters, whitespace, endElement, startElement;
- public XMLHelper(JS b) throws JSExn {
- super(BUFFER_SIZE);
- startElement = (JS)b.getAndTriggerTraps("startElement");
- endElement = (JS)b.getAndTriggerTraps("endElement");
- characters = (JS)b.getAndTriggerTraps("characters");
- whitespace = (JS)b.getAndTriggerTraps("whitespace");
- }
-
- public void startElement(XML.Element c) throws XML.Exn { try {
- JS attrs = new JS();
- // FIXME attribute URIs? add an additional hash?
- for(int i=0; i<c.getAttrLen(); i++) attrs.put(c.getAttrKey(i), c.getAttrVal(i));
- startElement.call(c.getLocalName(), attrs, c.getUri(), null, 3);
- } catch (JSExn jse) { throw new Wrapper(jse); } }
-
- public void endElement(XML.Element c) throws XML.Exn { try {
- endElement.call(c.getLocalName(), c.getUri(), null, null, 2);
- } catch (JSExn jse) { throw new Wrapper(jse); } }
-
- public void characters(char[] ch, int start, int length) throws XML.Exn { try {
- characters.call(new String(ch, start, length), null, null, null, 1);
- } catch (JSExn jse) { throw new Wrapper(jse); } }
-
- public void whitespace(char[] ch, int start, int length) throws XML.Exn { try {
- whitespace.call(new String(ch, start, length), null, null, null, 1);
- } catch (JSExn jse) { throw new Wrapper(jse); } }
-
- public void doParse(JS s) throws JSExn {
- try {
- parse(new BufferedReader(new InputStreamReader(Stream.getInputStream(s))));
- } catch (Wrapper e) {
- throw e.wrapee;
- } catch (XML.Exn e) {
- throw new JSExn("error parsing XML: " + e.toString());
- } catch (IOException e) {
- if (Log.on) Log.info(this, "IO Exception while reading from file");
- if (Log.on) Log.info(this, e);
- throw new JSExn("error reading from Resource");
- }
- }
- }
-
- // FEATURE: move this into builtin.xwar
- public Blessing bless(JS b) { return new XWT.Blessing((JS.Cloneable)b, this, null, null); }
- public static class Blessing extends JS.Clone {
- private XWT xwt;
- private Template t = null;
- private Object parentkey = null;
- private Blessing parent = null;
- public Blessing(JS.Cloneable clonee, XWT xwt, Blessing parent, Object parentkey) {
- super(clonee); this.xwt = xwt; this.parentkey = parentkey; this.parent = parent; }
- public Object get(Object key) throws JSExn {
- return key.equals("") ? ((Object)getStatic()) : (new Blessing((JS.Cloneable)clonee.get(key), xwt, this, key));
- }
- public static Blessing getBlessing(Object o) {
- if (!(o instanceof JS)) return null;
- JS js = (JS)o;
- while (js instanceof JS.Clone && !(js instanceof Blessing)) js = ((JS.Clone)js).getClonee();
- if (!(js instanceof Blessing)) return null;
- return (Blessing)js;
- }
- public InputStream getImage() throws JSExn {
- try {
- InputStream in = Stream.getInputStream(this);
- if (in != null) return in;
- } catch (IOException e) { /* DELIBERATE */ }
- String[] exts = new String[] { ".png", ".jpeg", ".gif" };
- for (int i=0; i < exts.length; i++)
- try {
- InputStream in = Stream.getInputStream(parent.get(parentkey + exts[i]));
- if (in != null) return in;
- } catch (IOException f) { /* DELIBERATE */ }
- return null;
- }
- public JSScope getStatic() {
- try {
- // FIXME background?
- if (t == null) t = Template.buildTemplate(Stream.getInputStream(parent.get(parentkey + ".xwt")), xwt);
- return t.staticScope;
- } catch (Exception e) {
- Log.error(this, e);
- return null;
- }
- }
- public Object call(Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
- // GROSS hack
- if (nargs == 9999) return t;
- if (nargs != 1) throw new JSExn("FIXME can only call with one arg");
- getStatic();
- t.apply((Box)a);
- return a;
- }
- }
-
-}
projects / org.ibex.core.git / blobdiff